Extended use of IST. - Imme Pieter van den Berg (Ann. Pure Appl. Log., 1992)

On the Relation between Elementary Partial Difference Equations and Partial Differential Equations. - Imme Pieter van den Berg (Ann. Pure Appl. Log., 1998)

Nearly recombining processes and the calculation of expectations. - Imme Pieter van den Berg; Elsa Amaro (ARIMA J., 2008)

Asymptotics of families of solutions of nonlinear difference equations. - Imme Pieter van den Berg (Log. Anal., 2008)

A decomposition theorem for neutrices. - Imme Pieter van den Berg (Ann. Pure Appl. Log., 2010)

Algebraic properties of external numbers. - Bruno Dinis; Imme Pieter van den Berg (J. Log. Anal., 2011)

Discretisations of higher order and the theorems of Faà di Bruno and DeMoivre-Laplace. - Imme Pieter van den Berg (J. Log. Anal., 2013)

A discrete free boundary problem [Un problème de frontière libre discret]. - Imme Pieter van den Berg (ARIMA J., 2015)

Functions of limited accumulation. - Imme Pieter van den Berg (J. Log. Anal., 2017)

Axiomatics for the external numbers of nonstandard analysis. - Bruno Miguel Antunes Dinis; Imme Pieter van den Berg (J. Log. Anal., 2017)